package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {
    /*
    * 根据openid来查询用户
    * */
    @Select("select * from user where openid=#{openid}")
    User getByOpenid(String openid);

    /*
    * 插入数据
    * */
    void insert(User user);
    /*
     * 根据id来查询用户
     * */
    @Select("select * from user where id=#{userId}")
    User getById(Long userId);


    Integer countByMap(Map map);
}

